How To Install Hvac Ductwork In Attic

Remove existing ductwork where needed.

How to install hvac ductwork in attic.

So why put an hvac system up in the attic at all. Recently i had another hvac company come out and put in a new bathroom vent and they told me they believed the duct work was full of water. There you have it. For example ducts fall into two types.

The trick to getting these installations right is to use rigid ductwork for all deviations from straight then pull the ductwork taut between the two ends which now point towards each other. Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts. Hard ducts and flexible ducts. Run the new flexible air duct under the house from the floor return to the underside of the air handler and attach to the metal vent box or plenum image 1.

It was new when the ac was put in 7 years ago. An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan. The attic ductwork is flex duct work. In the 70 s and 80 s in slab hvac ductwork was commonplace and took advantage of the relatively stable temperature of the slab at or near the ground.

The big advantage over a full rigid installation is sound control the installations are quieter than fully rigid ones. Choosing the right ductwork for installing in your attic as with home architecture and decor there are trends in the hvac world. Attic hvac systems save space. Well mainly it s a way to save space.

Again i d suggest calling an experienced hvac pro to guarantee your ducts are installed in your attic with proper support. I called out the original hvac company and they took a look and said they saw no water. Use a draw band connector to complete the butt joint. But we don t take the idea any further.

If your supplier doesn t carry draw band connectors make your own by cutting a piece of pipe to overlap the ends and then screw and tape the band into place. With newer foundation systems involving embedded rebar or tension cables making in slab hvac ductwork nearly impossible there s little other option but to move it to the attic. Overlap one side as you normally would and create a butt joint on the other. Whether summers are really getting hotter or we ve lost our tolerance for heat as we grow older lots of us are tempted to yank out noisy dripping window air conditioners and replace them with quiet efficient whole house central air conditioning systems.